Comms is vital for a business to work effectively. Without it, conflict and misunderstanding is prone which negatively impacts an organisation's functions and operations.

What is communication?

Usually used by senior managers to subordinates that helps employees effectively work on the right tasks at the right times.

Official channels of comms that come from authority of the org, provides accountability and responsibility of a job.

Purpose

Formal methods

Informal methods

Unofficial channels of communication, such as gossip or rumours in the workplace. This method is most casual rather than formal and professional.
This method has no boundaries therefore it has no rules to communication.
An example is an overheard conversation.